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JPS56124758A - Lock-up type automatic speed change gear - Google Patents

Lock-up type automatic speed change gear

Info

Publication number
JPS56124758A
JPS56124758A JP2672980A JP2672980A JPS56124758A JP S56124758 A JPS56124758 A JP S56124758A JP 2672980 A JP2672980 A JP 2672980A JP 2672980 A JP2672980 A JP 2672980A JP S56124758 A JPS56124758 A JP S56124758A
Authority
JP
Japan
Prior art keywords
lock
clutch
condition
pressure
spool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2672980A
Other languages
Japanese (ja)
Inventor
Hideo Hamada
Yoshiro Morimoto
Masaaki Suga
Masaaki Futaki
Sunao Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP2672980A priority Critical patent/JPS56124758A/en
Publication of JPS56124758A publication Critical patent/JPS56124758A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Fluid Gearings (AREA)

Abstract

PURPOSE: To obtain lock-up condition in such a way that a high gear clutch of a torque converter is locked at the optimum speed by providing a lock-up controller which is changeable at its optimum value in response to running load for the lock- up speed.
CONSTITUTION: A lock-up control valve 30 having a spool 30a capable of changing lock-up speeds to the optimum values in response to the running load, and a lock-up controller composed of a solenoid 31 electronically controlled are provided. When the solenoid 31 is energized, a plunger 31a comes to supply rear clutch pressure, and a control valve 30 has the spool 30a moved from the upper half part as shown in the figure to the lower half part position. Thus, a lock-up chamber 27 is made to be in no pressure condition, a lock-up clutch piston 20 is moved to the left side as shown in the figure by the pressure in a converter chamber 63, a clutch facing 19 is forcibly contacted with the end wall of a converter cover 6, so that lock-up condition is obtained in direct connection of a pump impeller 3 and a turbine runner 8.
COPYRIGHT: (C)1981,JPO&Japio
JP2672980A 1980-03-05 1980-03-05 Lock-up type automatic speed change gear Pending JPS56124758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2672980A JPS56124758A (en) 1980-03-05 1980-03-05 Lock-up type automatic speed change gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2672980A JPS56124758A (en) 1980-03-05 1980-03-05 Lock-up type automatic speed change gear

Publications (1)

Publication Number Publication Date
JPS56124758A true JPS56124758A (en) 1981-09-30

Family

ID=12201399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2672980A Pending JPS56124758A (en) 1980-03-05 1980-03-05 Lock-up type automatic speed change gear

Country Status (1)

Country Link
JP (1) JPS56124758A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5861357A (en) * 1981-10-02 1983-04-12 Nippon Denso Co Ltd Electronically operated automatic speed change controller
DE3243968A1 (en) * 1981-11-28 1983-07-28 Honda Giken Kogyo K.K., Tokyo TORQUE CONVERTER

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5861357A (en) * 1981-10-02 1983-04-12 Nippon Denso Co Ltd Electronically operated automatic speed change controller
JPH0423147B2 (en) * 1981-10-02 1992-04-21 Nippon Denso Co
DE3243968A1 (en) * 1981-11-28 1983-07-28 Honda Giken Kogyo K.K., Tokyo TORQUE CONVERTER

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